Andrew Mason, the irreverent programmer and musician who turned a failed social action site into the daily deals phenomenon Groupon , was dismissed Thursday as chief executive.
A day earlier, Groupon reported weak fourth- quarter...

9:06 p.m. | Updated Marissa Mayer, one of the top executives at Google, will be the next chief of Yahoo, making her one of the most prominent women in Silicon Valley and corporate America. The appointment of Ms. Mayer is consider a coup for...

Parliament refused on Friday to accept the resignation of its leader, Volodymyr M. Lytvyn, and instead adjourned for the summer, leaving uncertain the fate of a contentious bill that would allow local and regional governments to grant official status...